Gas. For hydrogen to become a liquid, you need to cool it down to 20.28 K, which is -252.87 degrees Celcius, or -434.45 degrees Fahrenheit if that is more your style. 6 people found this useful.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  voice, sound, vocalize, vocalise(verb) utter with vibrating vocal chords. 2  vocalize, vocalise(verb) sing (each note a scale or in a melody) with the same vowel. 3  vocalize, vocalise, vowelize, vowelise(verb) pronounce as a vowel.
Verbal communication refers to the vocal performance of a speaker--their rate, volume, pitch, and pauses. These aspects of vocalization are critical to effectively conveying ideas (after all, if your audience has trouble understanding what the words are coming out of your mouth, then they will be unable to understand your message.)